Stevie Wonder caught Trey Songz by surprise when he started singing the lyrics to his raunchy hit “I Invented Sex” during last night’s BET Honors. Trey reveals what it was like to duet with his idol for what he calls the “highlight of [his] life.”

“[Stevie] jokes about how he invented sex,” Trey told Rap-Up TV. “It was a moment to remember.” Watch the interview below.